<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
  <style>
    div{
      width: 200px;
      height: 200px;
      border: 1px solid red;

      text-align: center;
      line-height: 100px;

      text-decoration: overline;
      text-decoration: underline;
      text-decoration: line-through;
      text-decoration: none;

      text-shadow: blue 10px 10px 3px;

      font-size: 30px;
      font-weight: bold;
      font-style: italic;
      font-family: Bahnschrift;
    }

    h1{
      font-weight: normal;
      font: 50px Calibri;
    }

    a{
      text-decoration: none;
    }
  </style>
</head>
<body>
<h1>这是h1</h1>
<div>文本字体相关</div>
<a href="">超链接</a>
</body>
</html>